If you have zest and enthusiasm, you attract zest and enthusiasm. Life does give back in kind.
All my life I have tried to pluck a thistle and plant a flower wherever the flower would grow in thought and mind.
The most important thing to do if you find yourself in a hole is to stop digging.
The desire to fly is an idea handed down to us by our ancestors who... looked enviously on the birds soaring freely through space... on the infinite highway of the air
And the day came when the risk to remain tight in a bud was more painful than the risk it took to blossom.
Science is the outcome of being prepared to live without certainty and therefore a mark of maturity. It embraces doubt and loose ends.
It is not the length of life, but the depth.
A man who dares to waste one hour of life has not discovered the value of life
During the first period of a man's life the greatest danger is not to take the risk.
Only he who accepts clashes and conflicts in life, loves life.
Life would be tragic if it weren't funny.
The more I see, the less I know for sure.
There are only two ways to live your life. One is as though nothing is a miracle. The other is as though everything is a miracle.
The gratification of wealth is not found in mere possession or in lavish expenditure, but in its wise application.
Those who are easily shocked should be shocked more often.
We think too much and feel too little.
I think the highest and lowest points are the important ones. Anything else is just...in between.
I have learned to seek my happiness by limiting my desires, rather than in attempting to satisfy them.
The pleasure of the moment begins to wither almost as soon as it blossoms; our pleasures are soon swallowed up in time's relentless torrent.
I never think of the future - it comes soon enough.
Just as modern motorways have no room for ox-carts or wandering pedestrians, so modern society has little place for lives and ways that are too eccentric.